Ransomware group Brain Cipher previously claimed responsibility for the cyber attack on Deloitte UK. The hacker group claimed to have stolen around 1 terabyte of sensitive data.
Meanwhile, as reported by Cyber Security News, they also submitted evidence that the security protocol was broken. They even called Deloitte representatives for personal discussions through corporate mail. However, Deloitte claimed that it was not correct to say that the company had problems with multiple clients. A Deloitte spokesperson explained the whole matter. They claim that the affected system is not connected to the company’s main network. No Deloitte systems were affected, a company spokesperson told InfoSecurity magazine.
According to Brain Cipher’s statement, they stole about 1 terabyte of data. Among the data they mention is…
Evidence of Security Protocol Breach
Contractual relationship between Deloitte and their clients.
Deloitte’s monitoring system and multiple security tools
Various types of information about clients
Meanwhile, a screenshot containing multiple information about the hacked website has also been mentioned in the report. There brain cipher said, we will inform you about this incident soon. We will show you a sample of the information that has been leaked. The amount of this stolen data is more than 1 TB.
Who are these brain ciphers?
This brain cipher is behind several high profile cyber attacks. One of them is Indonesia’s National Data Center. At least 200 government agencies were affected by it. Among them, immigration and passport control were also affected.
Deloitte’s response is known according to a report in The Times of India.
What did Deloitte say?
So far, Deloitte UK has not publicly acknowledged the data breach. Not denied. Cyber security experts are monitoring the whole matter.
Deloitte claims there was no impact on any of our systems. However, those who claim to have carried out the cyber attack have made various claims about the theft of this data.